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PHV HEAT PUMP RANGE AIR CURTAINS
INSTALLATION, OPERATION & MAINTENANCE INSTRUCTIONS
PLEASE READ THESE INSTRUCTIONS CAREFULLY BEFORE ATTEMPTING INSTALLATION
Thermoscreens Ltd
St. Mary's Road Nuneaton
Warwickshire England
CV11 5AU
UK
Email:
sales@thermoscreens.com
Tel: +44 (0) 24 7638 4646
Fax: +44 (0) 24 7638 8578
www.thermoscreens.com
9901025-1
Page 1 of 17
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Summary of Contents for Mitsubishi Electric thermoscreens PHV1500DXE HO
- Page 1 PHV HEAT PUMP RANGE AIR CURTAINS INSTALLATION, OPERATION & MAINTENANCE INSTRUCTIONS PLEASE READ THESE INSTRUCTIONS CAREFULLY BEFORE ATTEMPTING INSTALLATION Thermoscreens Ltd St. Mary’s Road Nuneaton Warwickshire England CV11 5AU Email: sales@thermoscreens.com Tel: +44 (0) 24 7638 4646 Fax: +44 (0) 24 7638 8578 www.thermoscreens.com 9901025-1 Page 1 of 17...
- Page 2 A communications link is supplied to the Thermoscreens Heat Pump Air Curtain from the Mitsubishi Electric Outdoor Unit. This link provides control of the heat output of the air curtain and tells the air curtain when the outdoor unit is in defrost mode so auxiliary electric element heaters (where used) can provide partial heat back-up during the few minutes of defrost.
- Page 3 IMPORTANT This Heat Pump Air Curtain in intended only for use with a Mitsubishi Electric Mr Slim Outdoor Unit, for use on R410a with a condensing temperature of 49°C. These instructions must be read in conjunction with the Mitsubishi Electric Mr Slim Outdoor Unit instructions.
- Page 4 INSTALLATION OF THE PHV HEAT PUMP AIR CURTAIN The PHV heat pump air curtain has been designed for surface mounting only inside of the building. No condensate pump is required as the Thermoscreens / Mitsubishi Electric Heat Pump Warm Air Curtain System is a heating only product. Location Ensure that the unit is mounted within its height specification of 1.8m minimum to 3.75m maximum (from...
- Page 5 250 min. for pipes 9901025-1 Page 5 of 17...
- Page 6 Mitsubishi Electric Outdoor Unit The Mitsubishi Electric Outdoor Unit is selected to match its refrigerant heat output to the size of the Air Curtain. Typical Heat Outputs and Coefficients of Performance (CoPs), at high fan speed, for an outdoor air temperature of 7/6 ºC db/wb are as follows:...
- Page 7 Electrical Connections (see also Wiring Diagram on Page 9) This must be carried out AFTER connection of refrigerant pipework. All electrical wiring and connections MUST be carried out by a competent qualified electrician in accordance with the latest edition of the IEE wiring regulations and/or local statutory regulations.
- Page 8 Outdoor Unit Connections to terminals S2 and S3 provide a communications link between the Mitsubishi Electric Outdoor Unit and the Air Curtain. S1 in the Mitsubishi Electric Outdoor Unit is not used at all for this Air Curtain Indoor Unit.
- Page 9 not used ON/OFF AUTO Ambient (Closed) Heat (Open) 9901025-1 Page 9 of 17...
- Page 10 Commissioning Ensure electrical power to both the Mitsubishi Electric Outdoor Unit and the local electrical supply to the Air Curtain is switched off. The thermal overheat cut-out switch and air sensor should be located as shown below. Check that the thermal overheat cut-out switch has not previously tripped. Check by pushing down on the red button on the top of the thermal overheat switch.
- Page 11 5 minutes as it will operate in cooling. BMS Control On the Mitsubishi Electric Interface PCB check that the BMS Fan-Run Connection is plugged into position CNX1 (as shown on the previous page). The dip switches on...
- Page 12 Switch off the electrical power to the Mitsubishi Electric Outdoor Unit and Air Curtain. Carefully slide the Interface PCB back into place, replacing the Filter Indication connection if removed earlier. Ensure cables are not trapped inside and refit retaining screw. The Filter Indicator Schedule can now be changed from its default setting if required (see pages 14 &...
- Page 13 1,2,3,5 Switch off the electrical power to the Mitsubishi Electric Outdoor Unit and Air Curtain. Carefully slide the Interface PCB back into place, replacing the Filter Indication connection if removed earlier. Ensure cables are not trapped inside and refit retaining screw.
- Page 14 Remove the filters from the air inlet grilles by gently prizing them free as indicated. Vacuum clean and refit. Wipe clean the inside of the bottom access panel, which may see a small amount of water condensate during the defrost cycle. Once the air curtain has been cleaned, visually inspect the air curtain components.
- Page 15 Note: All servicing/ maintenance/repairs must be carried out by Thermoscreens Service Agent. It may be necessary to involve a Mitsubishi Electric Service Agent if any work is to be carried out on the Mitsubishi Electric Heat Pump System.
- Page 16 Fault Conditions In the event that the Thermoscreens / Mitsubishi Electric Heat Pump Warm Air Curtain System does not operate as expected, please refer to the table below for possible causes and solutions. Symptom Possible Cause Action Required Electrical power is not switched on at...
- Page 17 Thermoscreens Ltd St. Mary’s Road Nuneaton Warwickshire CV11 5AU United Kingdom Telephone: +44 (0)24 7638 4646 Fax: +44 (0)24 7638 8578 EC DECLARATION OF CONFORMITY as defined by the EC Council Directive on Machinery 2006/42/EC, the Low Voltage Directive 73/23/EEC, the Electromagnetic Compatibility Directive 89/336/EEC and the Pressure Equipment Directive 97/23/EC Herewith we declare that the air movement equipment designated below, on the basis of its design and construction in the form brought onto the market by us in accordance with the relevant safety, health and...
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